At [[http://​www.bradsdeals.com|Brad'​s Deals]], I've spent the last year learning Clojure, using it to help rewrite their extract-transform-load data warehouse system on AWS, and have developed a few opinions about how to most effectively use it. In addition, we have several other production systems built using Clojure.

+

+

Recently, we have begun extracting common useful utilities from these systems into a set of core libraries on GitHub: